Re: [v6 12/14] iio: imu: add BNO055 serdev driver

From: kernel test robot <lkp@intel.com>
To: andrea.merello@iit.it, jic23@kernel.org,
	mchehab+huawei@kernel.org, linux-iio@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Cc: kbuild-all@lists.01.org, lars@metafoo.de, robh+dt@kernel.org,
	andy.shevchenko@gmail.com, matt.ranostay@konsulko.com,
	ardeleanalex@gmail.com, jacopo@jmondi.org,
	Andrea Merello <andrea.merello@iit.it>
Subject: Re: [v6 12/14] iio: imu: add BNO055 serdev driver
Date: Thu, 16 Jun 2022 04:57:13 +0800	[thread overview]
Message-ID: <202206160409.GTDk9b3k-lkp@intel.com> (raw)
In-Reply-To: <20220613120534.36991-13-andrea.merello@iit.it>

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v5.19-rc2 next-20220615]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/andrea-merello-iit-it/Add-support-for-Bosch-BNO055-IMU/20220614-203754
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20220616/202206160409.GTDk9b3k-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/f37504a206ca4b342e184a1fc137f6c47f3960e9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review andrea-merello-iit-it/Add-support-for-Bosch-BNO055-IMU/20220614-203754
        git checkout f37504a206ca4b342e184a1fc137f6c47f3960e9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/ drivers/iio/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/trace/define_trace.h:102,
                    from drivers/iio/imu/bno055/bno055_ser_trace.h:104,
                    from drivers/iio/imu/bno055/bno055_ser_trace.c:13:
   drivers/iio/imu/bno055/./bno055_ser_trace.h: In function 'trace_raw_output_recv':
>> drivers/iio/imu/bno055/./bno055_ser_trace.h:91:23: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
      91 |             TP_printk("len: %d, data: = %*ph",
         |                       ^~~~~~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS'
     203 |         trace_event_printf(iter, print);                                \
         |                                  ^~~~~
   include/trace/trace_events.h:45:30: note: in expansion of macro 'PARAMS'
      45 |                              PARAMS(print));                   \
         |                              ^~~~~~
   drivers/iio/imu/bno055/./bno055_ser_trace.h:79:1: note: in expansion of macro 'TRACE_EVENT'
      79 | TRACE_EVENT(recv,
         | ^~~~~~~~~~~
   drivers/iio/imu/bno055/./bno055_ser_trace.h:91:13: note: in expansion of macro 'TP_printk'
      91 |             TP_printk("len: %d, data: = %*ph",
         |             ^~~~~~~~~
   In file included from include/trace/trace_events.h:237,
                    from include/trace/define_trace.h:102,
                    from drivers/iio/imu/bno055/bno055_ser_trace.h:104,
                    from drivers/iio/imu/bno055/bno055_ser_trace.c:13:
   drivers/iio/imu/bno055/./bno055_ser_trace.h:91:30: note: format string is defined here
      91 |             TP_printk("len: %d, data: = %*ph",
         |                             ~^
         |                              |
         |                              int
         |                             %ld
   In file included from include/trace/define_trace.h:102,
                    from drivers/iio/imu/bno055/bno055_ser_trace.h:104,
                    from drivers/iio/imu/bno055/bno055_ser_trace.c:13:
>> drivers/iio/imu/bno055/./bno055_ser_trace.h:91:23: warning: field width specifier '*' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
      91 |             TP_printk("len: %d, data: = %*ph",
         |                       ^~~~~~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS'
     203 |         trace_event_printf(iter, print);                                \
         |                                  ^~~~~
   include/trace/trace_events.h:45:30: note: in expansion of macro 'PARAMS'
      45 |                              PARAMS(print));                   \
         |                              ^~~~~~
   drivers/iio/imu/bno055/./bno055_ser_trace.h:79:1: note: in expansion of macro 'TRACE_EVENT'
      79 | TRACE_EVENT(recv,
         | ^~~~~~~~~~~
   drivers/iio/imu/bno055/./bno055_ser_trace.h:91:13: note: in expansion of macro 'TP_printk'
      91 |             TP_printk("len: %d, data: = %*ph",
         |             ^~~~~~~~~
   In file included from include/trace/trace_events.h:237,
                    from include/trace/define_trace.h:102,
                    from drivers/iio/imu/bno055/bno055_ser_trace.h:104,
                    from drivers/iio/imu/bno055/bno055_ser_trace.c:13:
   drivers/iio/imu/bno055/./bno055_ser_trace.h:91:42: note: format string is defined here
      91 |             TP_printk("len: %d, data: = %*ph",
         |                                         ~^~
         |                                          |
         |                                          int

vim +91 drivers/iio/imu/bno055/./bno055_ser_trace.h

    78	
    79	TRACE_EVENT(recv,
    80		    TP_PROTO(size_t len, const unsigned char *buf),
    81		    TP_ARGS(len, buf),
    82		    TP_STRUCT__entry(
    83			    __field(size_t, len)
    84			    __dynamic_array(unsigned char, buf, len)
    85		    ),
    86		    TP_fast_assign(
    87			    __entry->len = len;
    88			    memcpy(__get_dynamic_array(buf),
    89				   buf, __entry->len);
    90		    ),
  > 91		    TP_printk("len: %d, data: = %*ph",
    92			      __entry->len, __entry->len, __get_dynamic_array(buf)
    93		    )
    94	);
    95	

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